Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5509 |
| Number of amino acids: | 487 |
| Molecular Weight: | 54730.75 Da |
| Theoretical pI: | 5.46 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 27 | 5.54% |
| Cysteine CYS (C) | 9 | 1.85% |
| Glutamic Acid GLU (E) | 29 | 5.95% |
| Aspartic Acid ASP (D) | 24 | 4.93% |
| Glycine GLY (G) | 35 | 7.19% |
| Phynylalanine PHE (F) | 27 | 5.54% |
| Isoleucine ILE (I) | 24 | 4.93% |
| Histidine HIS (H) | 15 | 3.08% |
| Lysine LYS (K) | 24 | 4.93% |
| Methionine MET (M) | 11 | 2.26% |
| Leucine LEU (L) | 42 | 8.62% |
| Asparagine ASN (N) | 31 | 6.37% |
| Glutamine GLN (Q) | 16 | 3.29% |
| Proline PRO (P) | 28 | 5.75% |
| Serine SER (S) | 42 | 8.62% |
| Arginine ARG (R) | 14 | 2.87% |
| Threonine THR (T) | 25 | 5.13% |
| Tryptophan TRP (W) | 9 | 1.85% |
| Valine VAL (V) | 31 | 6.37% |
| Tyrosine TYR (Y) | 24 | 4.93% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2471 |
| Hydrogen | H | 3719 |
| Nitrogen | N | 639 |
| Oxygen | O | 732 |
| Sulphur | S | 20 |
| Formula | C2471H3719N639O732S20 |
| Total Number of Atoms: | 7581 |
| Total number of positively charged residues (ARG + LYS): | 38 |
| Total number of negatively charged residues (ASP + GLU): | 53 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 85760 Absorption 0.1% (=1 g/l) 1.567, assuming all pairs of CYS residues form cystines Ext. coefficient 85260 Absorption 0.1% (=1 g/l) 1.558, assuming all CYS residues are reduced |
| Aromaticity: | 0.123 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 43.93 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [32.24, 27.93, 22.38] Amino acids in helix: V, I, Y, F, W, L || Amino acids in turn: N, P, G, S || Amino acids in sheet: E, M, A, L |
| Aliphatic index: | 76.8583 |
| Grand average of hydropathicity (GRAVY): | -0.28 |